Question

Simplify 3(5z-7) - 2(9z-11) = 4(8z-13) - 17.​

Answer 1

Answer:

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Answer 2

Answer:

$3(5z - 7) - 2(9z - 11) = 4(8z - 13) - 17 \\ 15z - 21 - 18z + 22 = 32z - 52 - 17 \\ 15z - 18z - 21 + 22 = 32z - 69 \\ -3z + 1 = 32z - 69</p><p> \\ -3z - 32z = -69 - 1</p><p> \\ -35z = -70 \\ </p><p> -z = \frac{ - 70} {35} \\ - z = - 2 \\ z = 2$